ZUSBOPTSC01ZAC datasheet(369/402 Pages) ZILOG

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PS024604-1005

P R E L I M I N A R Y

Appendix A—Register Tables

Z8FMC16100 Series Flash MCU

Product Specification

347

Oscillator Control

Hex Address: F86

Oscillator Control Register (OSCCTL)

BITS

FIELD

INTEN

XTLEN

WDTEN

POFEN

WDFEN

FLPEN

SCKSEL

RESET

010

R/W

R/WR/W

R/W

ADDR

F86H

* The reset value is 1 if the option bit LPDEN is 0.

Bit

Position

Value

(H)

Description

[7]

INTEN

Internal Precision Oscillator Enable

Internal precision oscillator is disabled.

Internal precision oscillator is enabled.

[6]

XTLEN

Crystal Oscillator Enable

Crystal oscillator is disabled.

Crystal oscillator is enabled.

[5]

WDTEN

Watch-Dog Timer Oscillator Enable

Watch-Dog Timer oscillator is disabled

Watch-Dog Timer oscillator is enabled

[4]

POFEN

Primary Oscillator Failure Detection Enable

Failure detection and recovery of primary oscillator is disabled. This bit is cleared

automatically if a primary oscillator failure is detected.

Failure detection and recovery of primary oscillator is enabled

[3]

WDFEN

Watch-Dog Timer Oscillator Failure Detection Enable

Failure detection of Watch-Dog Timer oscillator is disabled.This bit is cleared

automatically if a Watch-Dog Timer oscillator failure is detected.

Failure detection of Watch-Dog Timer oscillator is enabled

ZUSBOPTSC01ZAC 数据表(PDF) 369 Page - Zilog, Inc.

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